Most people would call it a "field mouse," but a scientist would ask, "Was it Peromyscus maniculatus? Or Peromyscus leucopus?

What happened to all the megafauna? From moas to mammoths, many large animals went extinct between 50 and 10,000 years ago.

Or … could it be a jaguar? With their stealthy hunting habits and similar builds, patterns and hues, the two large cats can ...

Marshall says the new genus has officially been named “Traskasaura sandrae,” and that it was a “39-foot-long, long-necked ...

The slides work as a turtle bypass, or ladder, for several species including two that are endangered — the Fitzroy River turtle and the white-throated snapping turtle. Sunwater executive general ...

Leaves have only three lobes, not evenly spaced. The species prefers sandy soil. The rounded, brown acorn has a downy cap that covers up to a third of the nut. Swamp chestnut oaks grow from 48 to ...

CORVALLIS, Ore. – A novel analysis suggests more than 3,500 animal species are threatened by climate change and also sheds light on huge gaps in fully understanding the risk to the animal kingdom.

Scientists have discovered a new dog-sized dinosaur species that roamed the Earth 220 million years ago. The Maleriraptor kuttyi is believed to be one of the earliest killer dinosaurs in history. The ...

Take away these natural resources, and these icons of America will go extinct. For 50 years, the Endangered Species Act has provided bedrock legal protection for nature’s most vulnerable ...

Every third Friday of May, we pause to recognize the fragile existence of endangered species. We share the planet with countless animals, plants, and insects. Yet, many of them are vanishing right ...

Ocean Census scientists focused on discovering new species, documenting corals, sponges, sea urchins, snails, sea stars, and benthic ctenophores—commonly called comb jellies or sea gooseberries. The ...

Scientists, now turning to advanced reproductive technology to save the species, have completed a key step: mapping the creature’s entire genome, they report in the journal Proceedings of the National ...